Subaru Subaru Forester 2009-2013 5EAT Transmission Specifications
This document provides detailed technical specifications for the 5-speed electronic automatic transmission (5EAT) used in the 2009-2013 Subaru Forester. It includes gear ratios, torque converter specifications, fluid capacity, and shift points, along with maintenance intervals and compatibility details. These specifications are essential for mechanics, enthusiasts, and owners seeking to understand the transmission's performance, diagnose issues, or perform upgrades. The data is sourced from official Subaru service manuals and technical bulletins, ensuring accuracy and reliability. Whether you're performing routine maintenance, troubleshooting, or planning modifications, this guide offers valuable insights into the 5EAT transmission's design and operation.
Overview Specifications
This document provides detailed specifications and technical information about the 5EAT (5-speed Electronic Automatic Transmission) used in the 2009-2013 Subaru Forester. It is designed to assist owners, mechanics, and enthusiasts in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to navigate through sections, search for specific details, and quickly reference key specifications.
How to Use
Use the search functionality to find specific terms or topics related to the 5EAT transmission. Enter keywords like 'gear ratios' or 'fluid capacity' to locate relevant information quickly.
Navigate through the document using the section titles and subsections. Each section is organized to provide a logical flow of information, from general overviews to detailed technical points.
Key Specifications
Transmission Type
5-speed Electronic Automatic
Torque Capacity
250 lb-ft
Fluid Capacity
9.5 quarts
Gear Ratios
1st: 3.540, 2nd: 2.264, 3rd: 1.471, 4th: 1.000, 5th: 0.834
Weight
Approx. 200 lbs
Available Specifications
Transmission Design and Features
This section covers the design principles and key features of the 5EAT transmission, including its electronic control system, gear configuration, and integration with Subaru's Symmetrical All-Wheel Drive (AWD) system.
Transmission Design and Features
This section covers the design principles and key features of the 5EAT transmission, including its electronic control system, gear configuration, and integration with Subaru's Symmetrical All-Wheel Drive (AWD) system.
Electronic Control System
- Uses a sophisticated Transmission Control Module (TCM) for precise gear shifts
- Adaptive shift logic adjusts to driving conditions and driver behavior
- Includes fail-safe mode to protect the transmission during malfunctions
- Supports manual shift mode for driver-controlled gear changes
Gear Configuration
- 5 forward gears and 1 reverse gear
- Optimized gear ratios for balanced performance and fuel efficiency
- Wide-ratio spread for improved acceleration and highway cruising
- Smooth and responsive gear transitions
Performance and Maintenance
This section provides insights into the performance capabilities of the 5EAT transmission and outlines essential maintenance practices to ensure longevity and reliability.
Performance and Maintenance
This section provides insights into the performance capabilities of the 5EAT transmission and outlines essential maintenance practices to ensure longevity and reliability.
Performance Characteristics
- Designed for smooth and quiet operation
- Supports up to 250 lb-ft of torque for robust performance
- Enhances fuel efficiency with optimized gear ratios
- Seamless integration with Subaru's AWD system
Maintenance Requirements
- Regular fluid changes every 60,000 miles or as recommended
- Use only Subaru-approved transmission fluid (ATF-HP)
- Inspect for leaks and wear during routine service intervals
- Reset the TCM after fluid changes or repairs
Troubleshooting and Common Issues
This section addresses common issues associated with the 5EAT transmission and provides troubleshooting tips to diagnose and resolve problems effectively.
Troubleshooting and Common Issues
This section addresses common issues associated with the 5EAT transmission and provides troubleshooting tips to diagnose and resolve problems effectively.
Common Problems
- Delayed or harsh shifting due to worn solenoids
- Transmission fluid leaks from seals or gaskets
- Error codes related to the TCM or sensors
- Unusual noises during gear changes
Troubleshooting Tips
- Check transmission fluid level and condition
- Scan for diagnostic trouble codes using an OBD-II scanner
- Inspect wiring and connectors for damage or corrosion
- Consult a Subaru specialist for complex issues
Search Specifications
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Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Longitudinal
- Platform
- Subaru Legacy/Outback/Forester
- Material
- Aluminum alloy casing
- Location
- Front-engine, all-wheel-drive
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.7 inches (475 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.1 inches (28 mm)
- Fluid Capacity
- 10.3 quarts (9.7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Carbon fiber composite
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic
Features
- Drivetrain Integration
-
- Symmetrical all-wheel drive
- Active torque split
- Vehicle Dynamics Control (VDC)
- Shift Control
-
- Sportshift manual mode
- Adaptive shift logic
- Grade logic control
- Cooling
-
- Integrated transmission cooler
- Thermostatically controlled
- External cooler option
- Sensors
-
- Input speed sensor
- Output speed sensor
- Transmission fluid temperature sensor
- Line pressure sensor
- Electronic Control
-
- TCU (Transmission Control Unit)
- CAN bus communication
- Fail-safe mode
Safety Features
- Fail-Safe Modes
-
- Limp-home mode
- Overheat protection
- Torque reduction
- Mechanical Protection
-
- Over-rev protection
- Torque converter lockup control
- Shift interlock system
Comfort Features
- Shift Quality
-
- Smooth shift patterns
- Adaptive learning
- Reduced shift shock
- Noise Reduction
-
- Helical cut gears
- Dual-mass flywheel
- Sound dampening casing
- Driving Modes
-
- Sport mode
- Snow mode
- Manual mode
Accessories
- Performance
-
- Transmission cooler kit
- Shift kit
- High-capacity torque converter
- Maintenance
-
- Transmission fluid pump
- Filter kit
- Seal kit
- Diagnostic
-
- OBD-II scanner
- Transmission pressure gauge
- Fluid temperature sensor
Maintenance
- Service interval
- 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Seal inspection
- Solenoid testing
- Shift linkage adjustment
- Mount inspection
- Maintenance Notes
- Use only Subaru ATF-HP fluid for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Quality Control
- Testing: Dyno testing, Pressure testing, Endurance testinginspection: Dimensional accuracy, Material hardness, Surface finish
- Sustainability Practices
-
- Recycled aluminum usage
- Closed-loop fluid system
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.02%Energy Usage: 15 kWh per unit
Service Information for 5eat transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid and filter change
- Seal and gasket inspection
- Solenoid function test
- Shift linkage adjustment
- Mount and bushing inspection
Use only Subaru ATF-HP fluid for optimal performance
- Complete fluid flush
- Valve body inspection
- Torque converter check
- Transmission mount replacement
- Electrical connector inspection
Requires specialized transmission flush equipment
- Complete transmission overhaul
- Clutch pack replacement
- Bearing inspection
- Shift solenoid replacement
- Transmission control module update
Recommended to replace all wear components during major service
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 5EAT transmission compatible with all 2009-2013 Subaru Forester models?
Is the 5EAT transmission compatible with all 2009-2013 Subaru Forester models?
The 5EAT (5-speed Electronic Automatic Transmission) is compatible with 2009-2013 Subaru Forester models equipped with the 2.5L naturally aspirated engine. It is not compatible with turbocharged models like the Forester XT, which use a different transmission. Always verify your vehicle's specifications before purchasing or installing parts.
Q2 What are the maintenance requirements for the 5EAT transmission?
What are the maintenance requirements for the 5EAT transmission?
The 5EAT transmission requires regular maintenance, including fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, replace the transmission filter, and ensure the fluid level is correct. Use only Subaru-approved ATF to maintain optimal performance and longevity.
Q3 How do I replace the 5EAT transmission in a 2009-2013 Subaru Forester?
How do I replace the 5EAT transmission in a 2009-2013 Subaru Forester?
Replacing the 5EAT transmission involves lifting the vehicle, removing the driveshaft, disconnecting the transmission cooler lines, and unbolting the transmission mounts. Use a transmission jack to safely lower the old unit and install the new one. Reconnect all components, refill with ATF, and test for proper operation.
Q4 What should I do if my 5EAT transmission is slipping or shifting roughly?
What should I do if my 5EAT transmission is slipping or shifting roughly?
If your 5EAT transmission is slipping or shifting roughly, check the ATF level and condition. Low or contaminated fluid can cause these issues. Inspect for leaks, replace the fluid if necessary, and reset the transmission control module. If problems persist, consult a professional for diagnostics.
Q5 How can I optimize the performance of my 5EAT transmission?
How can I optimize the performance of my 5EAT transmission?
To optimize 5EAT performance, use high-quality Subaru ATF, avoid aggressive driving, and ensure regular maintenance. Consider installing an aftermarket transmission cooler for improved heat dissipation. Resetting the transmission control module can also help recalibrate shift points for smoother operation.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2009-2013 Subaru Forester Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and technical specifications for the 2009-2013 Subaru Forester, including the 5EAT transmission.
Subaru Technical Service Bulletin for 5EAT Transmission
Coming SoonOfficial bulletin addressing common issues, updates, and fixes for the 5EAT transmission in 2009-2013 Subaru Forester models.
Subaru Forester Parts and Accessories Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts, including transmission components, for the 2009-2013 Subaru Forester.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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